HD404849 datasheet(8/127 Pages) RENESAS

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HD404849 Series

Block Diagram

System control circuit

1,184

× 4-bit RAM

W (2)

X (4)

SPX (4)

Y (4)

SPY (4)

A (4)

B (4)

SP (10)

Program

counter (14)

Instruction

decoder

ALU

ST (1)

CA (1)

LCD

display

circuit

A/D

converter

Serial

interface

Timer D

Timer C

Timer B

Timer A

External

interrupt

control

cricuit

D10

D11

R01

R02

R03

R10

R11

R12

R13

R20

R21

R22

R23

R30

R31

R32

R33

R60

R61

R62

R63

R70

: Data bus

: Signal lines

R71

R72

R73

INT0

D11/

R02/

R10/

R11/

R12/

R20/

R21/

R22/

R23/

R30/

R31/

R32/

R33/

R60/

R13/

R01/

R00/

INT2

INT3

TOB

EVNB

TOC

TOD

EVND

SCK

AVCC

AVSS

AN0

AN1

AN2

AN3

AN4

AN5

AN6

AN7

COM1

COM2

COM3

COM4

SEG13

SEG44

INT1

R00 /INT1

/INT2

STOPC

INT0

/TOB

/TOC

/TOD

EVNB

/EVND

SCK

/SI

/SO

/AN4

/AN5

/AN6

/AN7

/SEG13

/SEG14

/SEG15

/SEG16

/SEG17

/SEG18

/SEG19

/SEG20

/INT3

High-

current

pins

512

× 4-bit,

8,192

× 10-bit, 12,288 × 10-bit,

16,384

× 10-bit ROM

HD404849 Datasheet(PDF) 8 Page - Renesas Technology Corp

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